How do you pronounce "wavelengths"?

In American English: /ˈweɪvˌlɛŋθs/ (WAYV-lehngths). In British English: /wˈeɪvlɛŋθs/ (W-ayvl). In Canadian English: /ˈweɪvˌlɛŋθs/ (WAYV-lehngths). In Australian English: /wˈeɪvlɛŋθs/ (W-ayvl).

Is "wavelengths" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˈweɪvˌlɛŋθs/ (WAYV-lehngths), while in British English it's /wˈeɪvlɛŋθs/ (W-ayvl).

How to Pronounce "wavelengths"

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wavelengths

disputed

/ˈweɪvˌlɛŋθs/

WAYV-lehngths

Syllable Breakdown

weɪvwave·lɛŋθslengths

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14